The water is teeming with sharks tourists are relaxing on a yachtThe water is teeming with sharks tourists are relaxing on a yacht
A quiet house on the shore of a pond, surrounded by a sea of greeneryA quiet house on the shore of a pond, surrounded by a sea of greenery
Blue river at the foot of green mountains, green trees on the right bank against the sky in white cloudsBlue river at the foot of green mountains, green trees on the right bank against the sky in white clouds
Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students